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Model for Entropy (Gas)

cp/Rgas = a0 + (a1/T2)×e-a2/T + a3×Y2 + [a4 - a5 /(T - a7)2]×Y8
Y = 0, Ta7
(T - a7)/(T - a6), T > a7

where Rgas = universal gas constant

The basis for this functional form is discussed in [37].

Please note that the equations above are expressed in terms of heat capacity and not in the necessary integral form.

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